Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX: 720

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-720 A Gloucester NJ CMDNNJCEX5Y  9003 NETCARRIER TELECOM, INC. - NJ 222      
856-720 0 Gloucester NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2008-12-04   
856-720 1 Gloucester NJ   321J HD CARRIER LLC 222   2016-05-19   
856-720 2 Gloucester NJ   321J HD CARRIER LLC 222   2016-05-19   
856-720 3 Gloucester NJ   321J HD CARRIER LLC 222   2016-05-19   
856-720 4 Gloucester NJ   321J HD CARRIER LLC 222   2016-05-19   
856-720 5 Gloucester NJ   9003 NETCARRIER TELECOM, INC. - NJ 222      
856-720 6 Gloucester NJ   321J HD CARRIER LLC 222   2016-05-19   
856-720 7 Gloucester NJ   624H ONVOY SPECTRUM, LLC 222   2021-05-01   
856-720 8 Gloucester NJ   321J HD CARRIER LLC 222   2016-05-19   
856-720 9 Gloucester NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2021-12-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.